Battery pack



FIG. 1 is a front, left, and top perspective view of the battery pack embodying the new design;

FIG. 2 is a rear, left, and bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines are shown for the purpose of illustrating portions of the battery pack and form no part of the claimed design. 

CLAIM The ornamental design for a battery pack, as shown and described. 